Quenching tower waste liquid back-spraying device

Abstract

The utility model is applicable to the technical field of quench tower accessories, and provides a quench tower waste liquid back-spraying device which comprises a quench tower body mounted on a support frame and used for cooling, a cooling pipe used for inputting cooling water is fixed on the quench tower body, and an atomizing nozzle used for atomizing the cooling water is arranged on the cooling pipe; the liquid discharge pipe is fixed at the bottom of the quench tower body and is used for outputting waste liquid; the cooling pool is installed on the supporting frame and used for assisting in cooling, and the buffer box is used for storing waste liquid. The water pump, the liquid inlet pipe and the backflow pipe are arranged on the supporting frame and used for assisting backflow of waste liquid. According to the quench tower waste liquid back-spraying device provided by the scheme, waste liquid can be rapidly cooled and filtered after being recycled, the waste liquid treatment and recycling efficiency is improved, and thus waste liquid back-spraying is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of quenching tower accessories, especially relates to a quenching tower waste liquid back spraying device. BACKGROUND

[0002] When the quenching tower works, the waste gas outside the tower body enters the quenching tower, the quenching tower sprays cooling water in the quenching tower to realize the cooling of high-temperature gas, the high-temperature gas is cooled and physically absorbed or chemically reacted, and the percolate after neutralization or absorption enters the sedimentation tank, the quenching tower waste liquid in the prior art needs to be deposited and cooled before being put into secondary use, the deposition and cooling take a long time, and the recovery efficiency is affected. SUMMARY

[0003] The utility model provides a kind of quenching tower waste liquid back spraying device, to solve the problem that quenching tower waste liquid needs to be deposited and cooled before being put into secondary use as described in the above background art, the deposition and cooling take a long time, and the recovery efficiency is affected.

[0004] To solve the above problems, the utility model is realized as follows: a kind of quenching tower waste liquid back spraying device, comprising: support frame, the support frame includes horizontal part and vertical part;Quenching tower body for cooling is installed on vertical part, cooling pipe for inputting cooling water is fixed on the quenching tower body, atomizing nozzle for atomizing cooling water is arranged on the cooling pipe;Liquid discharge pipe for outputting waste liquid is fixed at the bottom of the quenching tower body;Cooling pool for assisting cooling is installed on the horizontal part, buffer tank for storing waste liquid is installed on the horizontal part;Water pump for assisting waste liquid backflow is arranged on the horizontal part;Liquid inlet pipe is connected between buffer tank and water pump;Backflow pipe is installed at the liquid discharge end of the water pump and connected with the cooling pipe through connecting pipe.

[0005] Preferably, metal pipe section is connected to the liquid discharge pipe through flange plate, the metal pipe section is located in the cooling pool, ice block for assisting waste liquid cooling is stored in the cooling pool, cleaning assembly for cleaning crystallization extending into the metal pipe section is arranged on the buffer tank.

[0006] Preferably, the cleaning assembly comprises mounting frame fixed in the metal pipe section, adjusting shaft rotatably mounted on the mounting frame, scraper fixed on the adjusting shaft for scraping crystallization on the inner wall of the metal pipe section, transmission shaft rotatably mounted in the buffer tank, bevel gears fixed on the adjusting shaft and the transmission shaft and engaged with each other, the bevel gears are used for transmission, servo motor fixed on the top of the buffer tank for driving the transmission shaft to rotate, the output shaft of the servo motor is connected with the transmission shaft.

[0007] Preferably, a filter box for filtering waste liquid is arranged in the buffer tank, an opening allowing the filter box to pass through is arranged on the buffer tank, a protection plate for closing the opening is arranged on the filter box, and the protection plate is connected with the buffer tank through fixing bolts.

[0008] Preferably, a box for protecting the bevel gear is arranged in the buffer tank and rotatably connected with the adjusting shaft and the transmission shaft.

[0009] Preferably, a temperature sensor for monitoring the temperature of waste liquid is arranged on the buffer tank, a detection probe of the temperature sensor extends into the buffer tank, a sewage pipe is arranged on one side of the cooling pool, and a plug cap for closing the sewage pipe is continuously arranged on the sewage pipe.

[0010] Preferably, a one-way valve is arranged on the return pipe and the cooling pipe, and a gas inlet pipe and a gas outlet pipe for inputting and outputting gas respectively are arranged on the body of the quench tower, the gas inlet pipe and the gas outlet pipe are arranged below and above the cooling pipe respectively.

[0011] Compared with the related art, the quench tower waste liquid back spraying device has the following beneficial effects:

[0012] Compared with the prior art, the quench tower waste liquid back spraying device integrates the functions of cooling, waste liquid recycling and reuse, auxiliary cooling, waste liquid cleaning and the like, realizes efficient cooling treatment of high-temperature waste gas and resource utilization of waste liquid, cools the high-temperature waste gas through the body of the quench tower, improves the cooling efficiency through the cooling pipe and the atomizing nozzle, further cools the waste liquid through the cooling pool after the waste liquid is discharged through the liquid discharge pipe, and realizes the backflow and reuse of the waste liquid through the water pump, the liquid inlet pipe and the return pipe. At the same time, the cleaning assembly and the filter box are arranged to effectively clean the crystals in the metal pipe section and impurities in the waste liquid, ensure the cleanliness of the waste liquid and stable operation of the system, and in addition, the addition of the temperature sensor, the one-way valve and the like further improves the safety and efficiency of the system. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front view structural schematic diagram of a quench tower waste liquid back spraying device provided by the utility model;

[0014] Figure 2 is an assembly structure schematic diagram of a cleaning assembly in the utility model;

[0015] Figure 3 is a front view sectional structure schematic diagram of a buffer tank in the utility model;

[0016] Figure 4 is a rear view structure schematic diagram of the buffer tank in the utility model.

[0017] 1, support frame; 2, quenching tower body; 3, liquid discharge pipe; 4, cooling pool; 5, metal pipe section; 6, buffer tank; 7, water pump; 8, liquid inlet pipe; 9, return pipe; 10, cooling pipe; 11, connecting pipe; 12, one-way valve; 13, temperature sensor; 14, mounting frame; 15, adjusting shaft; 16, scraper; 17, tank; 18, transmission shaft; 19, bevel gear; 20, servo motor; 21, filter box; 22, guard plate. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above discussion of the related art are intended to be illustrative only and not intended to be limiting of the application; the terminology used in the description of the application herein, as well as in the claims that follow, will be interpreted as including the meanings like "comprise", "have", "including", and "contain" and their conjugates as well as the terms "first", "second" and the like, used in the description and in the claims are intended to distinguish between different objects, and are not intended to be limiting of the scope of the application; the terms "inner", "outer", "left", "right", "forward", "backward", "up", "down", "clockwise", "counter clockwise" and the like as used in the description and in the claims are intended to be relative terms and are not intended to be limiting of the scope of the application; the terms "comprise", "comprising", "including", "comprises", "include", and "includes" as used in the description and in the claims are intended to be inclusive and to mean that the described feature or features can be present, but not excluding the presence of other feature or features.

[0019] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0020] The utility model discloses an emergency cooling tower waste liquid back spray device, such as Figures 1-4As shown, the quench tower waste liquid back spraying device comprises a support frame 1, which comprises a horizontal part and a vertical part; a quench tower body 2 for cooling is installed on the vertical part, a cooling pipe 10 for inputting cooling water is fixed on the quench tower body 2, and an atomizing nozzle for atomizing the cooling water is arranged on the cooling pipe 10; a liquid discharge pipe 3 for outputting waste liquid is fixed at the bottom of the quench tower body 2; a cooling pool 4 for assisting cooling is installed on the horizontal part; a buffer tank 6 for storing waste liquid is installed on the horizontal part; a water pump 7 for assisting waste liquid backflow is arranged on the horizontal part; a liquid inlet pipe 8 is connected between the buffer tank and the water pump; a backflow pipe 9 is installed at the liquid discharge end of the water pump 7 and is connected with the cooling pipe 10 through a connecting pipe 11.

[0021] In the embodiment, the support frame 1 serves as a support structure of the whole device, and ensures that the quench tower body 2, the cooling pool 4, the buffer tank 6 and the water pump 7 and other components can be stably installed. The quench tower body 2 is a core component of the device, and is used for cooling treatment of high-temperature waste gas. The high-temperature waste gas outside the tower body enters the tower, and is cooled through an internal cooling mechanism. The liquid discharge pipe 3 is used for discharging the treated waste liquid. The cooling pool 4 serves as an auxiliary cooling facility, and is used for cooling the waste liquid generated by the quench tower. The cooling pipe 10 is used for inputting cooling water, and is a key component for realizing cooling of the high-temperature gas in the quench tower. The atomizing nozzle is used for atomizing the cooling water, so as to improve the cooling efficiency. The buffer tank 6 serves as a temporary storage point before waste liquid backflow. The water pump 7 is used for providing power for waste liquid backflow. The liquid inlet pipe 8 is used for extracting the waste liquid in the buffer tank 6. The backflow pipe 9 is used for conveying the extracted waste liquid back to the quench tower body 2, and is connected with the cooling pipe 10 through the connecting pipe 11. The waste liquid is atomized again and used for cooling the high-temperature gas.

[0022] In the further preferred embodiment of the utility model, the liquid discharge pipe 3 is connected with a metal pipe section 5 through a flange, the metal pipe section 5 is located in the cooling pool 4, ice blocks for assisting waste liquid cooling are stored in the cooling pool 4, and a cleaning assembly extending into the metal pipe section 5 for cleaning crystals is arranged on the buffer tank 6.

[0023] In the embodiment, the metal pipe section 5 is a channel for the waste liquid discharged from the quenching tower body 2, and is located so that the waste liquid can directly flow into the cooling pool 4 for further cooling. The presence of the ice blocks can effectively reduce the temperature of the waste liquid, and help the stability and processing efficiency of the waste liquid in subsequent processing. The cleaning assembly is used to clean the crystals that may be generated in the metal pipe section 5. Some substances may be precipitated to form crystals during the cooling of the waste liquid, and the type of the gas is used to determine. The presence of the cleaning assembly can ensure that the metal pipe section 5 is unobstructed, and avoid affecting the flow of the waste liquid and the back spraying effect. In use, the waste liquid is discharged from the quenching tower body 2 through the liquid discharge pipe 3, enters the metal pipe section 5, and the metal pipe section 5 is located in the cooling pool 4. The waste liquid is further cooled by the ice blocks during the flow process, and the cooled waste liquid flows out of the metal pipe section 5 and enters the buffer tank 6 for temporary storage. When needed, the water pump 7 extracts the waste liquid from the buffer tank 6 through the liquid inlet pipe 8, and transports it back to the quenching tower body 2 through the backflow pipe 9 and the connecting pipe 11 for reuse.

[0024] In the further preferred embodiment of the utility model, the cleaning assembly comprises a mounting frame 14 fixed in the metal pipe section 5, an adjusting shaft 15 rotatably mounted on the mounting frame 14, a scraper 16 fixed on the adjusting shaft 15 for scraping the crystals on the inner wall of the metal pipe section 5, a transmission shaft 18 rotatably mounted in the buffer tank 6, bevel gears 19 fixed on the adjusting shaft 15 and the transmission shaft 18 respectively and engaged with each other, the bevel gears 19 are used for transmission, a servo motor 20 fixed on the top of the buffer tank 6 for driving the transmission shaft 18 to rotate, and the output shaft of the servo motor 20 is connected with the transmission shaft 18.

[0025] In the embodiment, the mounting frame 14 is a support structure of the cleaning assembly, which ensures that the adjusting shaft 15 and the scraper 16 can be stably installed in the metal pipe section 5 and effectively clean the crystals. The adjusting shaft 15 is a support and transmission component of the scraper 16. The rotation of the adjusting shaft 15 can drive the scraper 16 to move on the inner wall of the metal pipe section 5, thereby scraping the crystals. The scraper 16 is used to scrape the crystals on the inner wall of the metal pipe section 5, while avoiding damaging the inner wall of the metal pipe section 5. The transmission shaft 18 is a transmission component between the servo motor 20 and the bevel gears 19. The rotation of the transmission shaft 18 can drive the rotation of the bevel gears 19, thereby driving the rotation of the adjusting shaft 15 and the scraper 16. The transmission action of the bevel gears 19 can transmit the driving force of the servo motor 20 to the adjusting shaft 15, realizing the rotation of the scraper 16. By controlling the rotation direction and speed of the servo motor 20, the movement and scraping effect of the scraper 16 on the inner wall of the metal pipe section 5 can be accurately controlled.

[0026] The further preferable embodiment of the utility model discloses, the filter box 21 for filtering waste liquid is equipped in the buffer tank 6, the opening that allows the filter box 21 passes through is equipped on the buffer tank 6, the protective plate 22 for closing the opening is installed on the filter box 21, the protective plate 22 is connected with the buffer tank 6 through fixed bolt.

[0027] In this embodiment, the filter box 21 is used for filtering waste liquid, the design of the filter box 21 can remove impurities and particulate matter in the waste liquid, ensure the cleanliness of the waste liquid before reflux utilization, the opening is the channel for installing and dismounting the filter box 21, which ensures that the filter box 21 can be conveniently replaced and maintained, the existence of the protective plate 22 can prevent the waste liquid from leaking during the filtering process, and at the same time, the filter box 21 is protected from external environment interference, the fixed bolt is used for connecting the protective plate 22 and the buffer tank 6, which ensures that the protective plate 22 can stably close the opening, and the design of the fixed bolt should facilitate dismounting and installing, so as to facilitate the replacement and maintenance of the filter box 21.

[0028] In the further preferable embodiment of the utility model, the box body 17 sleeved outside the bevel gear 19 is installed in the buffer tank 6, the box body 17 is used for protecting the bevel gear 19, and the adjusting shaft 15 and the transmission shaft 18 are rotationally connected with the box body 17.

[0029] In this embodiment, the design purpose of the box body 17 is to protect the bevel gear 19, prevent it from being interfered or damaged by external environment during the working process, at the same time, the box body 17 can also provide a relatively closed space for the transmission of the bevel gear 19, reduce energy loss and noise in the transmission process, and the adjusting shaft 15 and the transmission shaft 18 are rotationally connected with the box body 17, which means that they can freely rotate in the box body 17, while maintaining the transmission connection with the bevel gear 19, when the servo motor 20 starts, the transmission shaft 18 starts to rotate, and through the transmission action of the bevel gear 19, the adjusting shaft 15 is driven to rotate. In this process, the box body 17 provides a stable and closed working environment for the bevel gear 19.

[0030] In the further preferable embodiment of the utility model, the temperature sensor 13 for monitoring the temperature of the waste liquid is installed on the buffer tank 6, the detection probe of the temperature sensor 13 extends into the buffer tank 6, one side of the cooling pool 4 is provided with a sewage pipe, and the plug cap for closing the sewage pipe can be continuously installed on the sewage pipe.

[0031] In this embodiment, the temperature sensor 13 (for example, DS18B20) is used for monitoring the temperature of the waste liquid, the detection probe of the temperature sensor 13 extends into the buffer tank 6, which can realize real-time sensing of the temperature change of the waste liquid, and provide important parameters for the operation and adjustment of the equipment, the sewage pipe is used for discharging sewage or waste liquid generated in the cooling process, and the plug cap for closing the sewage pipe can be continuously installed on the sewage pipe, so as to prevent the waste liquid from leaking when it is not needed to be discharged.

[0032] The further preferred embodiment of the utility model further provides a one-way valve 12 arranged on the reflux pipe 9 and the cooling pipe 10, a gas inlet pipe and a gas outlet pipe for inputting and outputting gas are arranged on the quench tower body 2, and the gas inlet pipe and the gas outlet pipe are arranged below and above the cooling pipe 10 respectively.

[0033] In the embodiment, the one-way valve 12 ensures that the fluid can only flow in one direction, prevents backflow or reverse flow, and thus maintains the stability and efficiency of the system, the gas inlet pipe is connected to a gas supply source to provide the required gas for the quench tower, the gas outlet pipe is used for outputting the treated gas, the arrangement of the one-way valve 12 effectively prevents the backflow or reverse flow of the waste liquid, maintains the cleanliness and efficiency of the system, avoids possible cross contamination, and improves the efficiency and quality of the waste liquid treatment.

[0034] In summary, compared with the related art, the device realizes efficient cooling treatment of high-temperature waste gas and resource utilization of waste liquid by integrating the functions of cooling, waste liquid recycling and reuse, auxiliary cooling and waste liquid cleaning, the high-temperature waste gas is cooled by the quench tower body 2, the cooling efficiency is improved by the cooling pipe 10 and the atomizing nozzle, after the waste liquid is discharged through the liquid discharge pipe 3, it is further cooled by the cooling pool 4, and the waste liquid is recycled by the water pump 7, the liquid inlet pipe 8 and the reflux pipe 9, at the same time, the crystallization in the metal pipe section 5 and the impurities in the filtered waste liquid are effectively cleaned by the cleaning assembly and the filter box 21, ensuring the cleanliness of the waste liquid and the stable operation of the system, in addition, the addition of the temperature sensor 13, the one-way valve 12 and other elements further improves the safety and efficiency of the system.

[0035] In several embodiments provided in the application, it should be understood that the disclosed device can be implemented in other ways.

[0036] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope to be protected by the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in the embodiments of the utility model according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope to be protected by the utility model.

Claims

1. A quench tower waste fluid recycle device characterized by, The utility model relates to a cooling device for waste liquid, which comprises a support frame, a quenching tower body for cooling installed on the vertical part of the support frame, a cooling pipe for inputting cooling water fixed on the quenching tower body, an atomizing nozzle for atomizing the cooling water on the cooling pipe, a liquid discharge pipe for outputting waste liquid fixed at the bottom of the quenching tower body, a cooling pool for auxiliary cooling installed on the horizontal part of the support frame, a buffer tank for storing waste liquid installed on the horizontal part of the support frame, a water pump for auxiliary waste liquid reflux arranged on the horizontal part of the support frame, a liquid inlet pipe connected between the buffer tank and the water pump, and a reflux pipe installed at the liquid discharge end of the water pump and connected with the cooling pipe through a connecting pipe. A metal pipe section is connected to the liquid discharge pipe through a flange plate, the metal pipe section is located in the cooling pool, ice blocks for auxiliary cooling of waste liquid are stored in the cooling pool, and a cleaning assembly extending into the metal pipe section for cleaning crystals is arranged on the buffer tank.

2. The quench tower effluent sprayback apparatus of claim 1 wherein, The cleaning assembly comprises a mounting frame fixed in the metal pipe section, an adjusting shaft rotatably mounted on the mounting frame, a scraper fixed on the adjusting shaft for scraping crystals on the inner wall of the metal pipe section, a transmission shaft rotatably mounted in the buffer tank, bevel gears fixed on the adjusting shaft and the transmission shaft and engaged with each other for transmission, a servo motor fixed on the top of the buffer tank for driving the transmission shaft to rotate, and an output shaft of the servo motor connected with the transmission shaft.

3. The quench tower effluent sprayback apparatus of claim 2 wherein, A filter box for filtering waste liquid is arranged in the buffer tank, an opening allowing the filter box to pass through is arranged on the buffer tank, a protection plate for closing the opening is mounted on the filter box, and the protection plate is connected with the buffer tank through fixing bolts.

4. The quench tower effluent sprayback apparatus of claim 1 wherein, A box body sleeved outside the bevel gears is mounted in the buffer tank, the box body is used for protecting the bevel gears, and the adjusting shaft and the transmission shaft are rotatably connected with the box body.

5. The quench tower effluent sprayback apparatus of claim 3 wherein, A temperature sensor for monitoring the temperature of waste liquid is mounted on the buffer tank, a detection probe of the temperature sensor extends into the buffer tank, a sewage pipe is arranged on one side of the cooling pool, and a plug cap for closing the sewage pipe can be continuously mounted on the sewage pipe.

6. The quench tower effluent sprayback apparatus of claim 1 wherein, Unidirectional valves are arranged on the reflux pipe and the cooling pipe, a gas inlet pipe and a gas outlet pipe for inputting and outputting gas, respectively, are mounted on the quenching tower body, and the gas inlet pipe and the gas outlet pipe are located below and above the cooling pipe, respectively.

7. The quench tower effluent sprayback apparatus of claim 1 wherein, ​

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